Tumbler



FIG. 1 is a top, front, right perspective view of a tumbler showing our new design;

FIG. 2 is a top, rear, left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a top, front, right perspective view of a tumbler showing our design in an alternate configuration.

The broken lines illustrate portions of the tumbler that form no part of the claimed design. 

CLAIM The ornamental design for a tumbler, as shown and described. 